Articles tagged with Telephones
Researchers developed a compact aperture-adjustable antenna that maintains strong performance across the 57–71 GHz 5G band and improves signal strength by up to 62.2% at both lower and upper-band-edge frequencies. The system achieves data transmission speeds of up to 56 Gb/s, supporting future Beyond 5G and 6G applications.
The PAISES-6G project aims to design secure, intelligent, and respectful 6G networks that integrate sensing capability and use artificial intelligence for cybersecurity. It focuses on three pillars: preventive AI, quantum security, and mechanisms for secure data sharing.
Researchers at MIT developed a technique to overcome memory constraints and communication bottlenecks in federated learning, enabling faster and more accurate AI model training. The new framework, FTTE, uses a subset of model parameters and an asynchronous approach to reduce lag time and improve training performance.
Researchers propose using swarms of pico-satellites to form a single large antenna for reliable, high-quality data transmission. This innovative solution could lead to cheaper and more reliable network coverage worldwide, especially in remote areas.
Researchers developed a TwinGuard defense framework that uses real-time digital twin and reinforcement learning AI to detect and neutralize 5G cyber-attacks. The system detected and blocked attacks in under 100 milliseconds, including handover flooding and E2 subscription flooding attacks.
The International Submarine Cable Resilience Summit 2026 will focus on advancing actionable solutions to strengthen submarine telecommunication cable resilience. The event aims to accelerate cable repairs, improve risk mitigation and enhance regulatory frameworks.
Marty Cooper, Illinois Tech alumnus and 'Father of the Cell Phone,' is being honored for his legacy of mentorship and inspiring others through innovation. He received the 2025 Marconi Society Lifetime Achievement Award for his lifetime of leadership in wireless communications.
The Mapping the Digital Gap report found that three in four First Nations people living in remote communities are digitally excluded, facing barriers to accessing and using online services. Despite an 8.7 point improvement in digital ability for First Nations people in very remote communities, the gap remains significant.
The world's online population grew to 6 billion, while 2.2 billion remain offline, highlighting the importance of digital infrastructure, affordable services, and skills training to achieve universal connectivity. Deep digital divides persist, with uneven coverage, affordability, and skill levels across high- and low-income countries.
GenAI use is narrowing the digital divide in Australia, but significant gaps persist among remote and socioeconomically disadvantaged groups. The study found that Australians aged 18-34, Indigenous peoples, and those with lower digital skills are more likely to use GenAI.
A new study reveals persistent disparities in telehealth access among rural US populations, with older adults, Spanish speakers, and those on Medicaid or Medicare facing significant barriers. The research highlights the need for policy reform and digital health equity efforts to address these disparities and improve virtual care access.
A customizable SMS system produced significant 12-month walking increases for aging Latino/a adults, similar to the human advisors group. The study supports mobile health platforms as a viable option for expanding program choices for broader segments of the population.
A recent study published in Journal of Adolescent Health found that young people from diverse cultures worldwide perceive digital environments as affecting their mental health. They highlight the need for more support and involvement from adults in their digital lives, including reflection on one's own digital habits.
A telephone-based weight loss intervention significantly reduced weight in breast cancer patients with overweight and obesity. The study suggests that this intervention may improve disease outcomes, warranting further investigation in future trials.
Researchers found that mobile users were less likely to click on phishing links compared to PC users, especially for lower-risk URLs. The study suggests that device use settings affect users' risk assessment abilities, leading to more avoidant behavior on mobile devices.
Researchers from Science Tokyo developed analog relay stations to extend mmWave coverage, achieving over 1 Gbps throughput and enhancing stability in previously unreachable zones. The innovative solution utilizes distributed relay diversity to maintain signal strength and throughput even with blockage.
A recent study published in eNeuro found that mobile mindfulness meditation apps can improve attention control in adults, as measured by eye movement tasks. Self-reported measures suggest that participants were unaware of the cognitive improvement from meditation.
A new study found that Michigan Medicaid telehealth improved access to care for adults with low incomes, including those living in rural areas. The program increased the use of telehealth among enrollees, who were highly satisfied with the experience, and reduced barriers such as transportation and caregiving responsibilities.
The UK public considers the mobile phone the second most important invention of all time, with 52% viewing it as indispensable. Meanwhile, the wheel tops the list at 31%, ahead of electricity and penicillin.
A new study published in PLOS One found that adolescent boys who experience violence are at a significantly increased risk of perpetrating physical and sexual intimate partner violence. The research collected real-time data over mobile phones and revealed that these boys have up to 8 times the odds of committing such acts on the same day.
Researchers measured RF-EMF levels in various environments in Switzerland, finding exposure increases with population density. Exposure was highest when using the phone for maximum data download or upload, with average levels reaching up to 16 mW/m².
A study by the University of the Basque Country found that 11- to 12-year-olds primarily use their smartphones to communicate with family and friends, rather than engaging with social media. While they do use social media, it is mainly for watching videos on YouTube and other platforms.
The SUSTAIN-6G project, led by Nokia, aims to develop sustainable technologies for 6G communications, focusing on smart grids, e-health, and agriculture. UC3M will focus on developing eco-friendly computing technologies for mobile networks.
A recent study from the University of Surrey found that remote medical interpreting (RMI) can compromise the quality of communication in healthcare settings. Interpreters reported mixed experiences with technology during the COVID-19 pandemic, highlighting the need for careful consideration of interpreting methods based on the nature o...
A new study found that embedding a customizable digital pet game within a popular smoking cessation app increased user engagement and direct use of the app's smoking cessation tools. Overall engagement with the app increased by 20 percent, and direct use of the tool increased by 30 percent among participants who had access to the game.
A new study finds that excessive social media use is associated with a higher risk of eating disorder symptoms in 9-14-year-olds, including binge eating and distress over weight gain. Problematic screen use may contribute to unhealthy behaviors and addictive tendencies.
Researchers have created a mathematical proof that exactly five satellites are required to uniquely determine the position of a receiver in almost all cases. This breakthrough resolves a long-standing conjecture and provides insights into the accuracy of GPS navigation, particularly with fewer than four satellites in view.
A large-scale prospective cohort study found a positive association between regular mobile phone use and incident cardiovascular disease risk, particularly in smokers and individuals with diabetes. Poor sleep patterns, psychological distress, and neuroticism may be key mechanisms underlying this association.
A new study reveals that Maasai women are gaining access to household decisions through livelihood diversification, education, and secure land tenure. This research contributes to the United Nation's Sustainable Development Goal of Gender Equality, highlighting the value of empowering decision-making for women in pastoralist communities.
Researchers found that a game-based approach can significantly reduce handheld phone use among drivers, with a 28% reduction in usage. The intervention included earning points for reducing phone use and competing on a leaderboard, leading to lasting improvements in driver behavior.
A new handheld device enables rapid non-invasive detection of harmful chemicals and biological molecules using a Raman spectrometer and cellphone camera. This technology reduces analysis time from days to minutes, making it ideal for remote areas where laboratory spectrometers are impractical.
A study found that drivers who received weekly feedback on their phone use and a cash incentive of up to $50 used their phones less than those given no incentive or feedback. The intervention also led to a 21% decrease in handheld phone usage when drivers were told they would lose money if they engaged in phone use while driving.
A study published in the Journal of School Violence found that over 9-12% of 13-17 year olds in the US engaged in digital self-harm between 2019 and 2021. The research highlights the need for targeted interventions to address this growing issue.
A new WhatsApp-based program has shown significant improvements in treating depression among older adults in Brazil. The Viva Vida program used simple audio messages and images to provide education on depression and behavioral activation, with a 10-point improvement in symptom reduction between intervention and control groups.
Researchers collected an unprecedented amount of data on SMS phishing attacks, identifying 35,128 unique campaigns and 600 distinct operations. They also found that phishers use mainstream servers, URL-shortening apps, and web infrastructure to support their operations.
Researchers argue that mobility data can help understand human-wildlife interactions and inform policy decisions on sustainability-related issues. They propose aggregating datasets without personal identifiers to make them accessible to researchers, benefiting both conservation and private companies.
Researchers from Aalto University found that individuals who gave up their smartphones had to adapt to life without the convenience of mobile apps. They employed technical workarounds such as using stand-alone devices or borrowing friends' phones to overcome limitations in daily life.
Research suggests that frequent mobile device use among preschoolers leads to lower-quality and quantity of parent-child interactions compared to non-users. Joint, real-life activities help prevent problematic digital device use and its negative effects.
A telephone-based strategy improved guideline-directed medical therapy rates for outpatients with heart failure by 30 days, offering a low-cost solution for rural settings with limited access to care. This study suggests the potential for expanded remote healthcare initiatives to address health disparities.
A new study by University of Illinois Chicago researchers found that one-third of ride-share drivers have been involved in a crash while working. The survey revealed that drivers are uniquely susceptible to crashes caused by cellphone use, tiredness, and driving on unfamiliar roads.
Researchers at Tohoku University have created a tuneable terahertz wave filter that can achieve higher transmission rates and better signal quality than conventional systems. The new filter uses Fabry-Perot interferometry to control the filtering effect, enabling selective transmission of desired frequencies.
A new study led by the University of Surrey found that live video streaming from trauma incidents to emergency medical services using smartphones is feasible to implement and evaluate. The technology could aid decision-making about dispatching the right personnel and vehicles to major trauma incidents.
The SLICES research infrastructure, launched by UC3M and IMDEA Networks, provides high-quality experimentation services with emerging technologies like 5G/6G, IoT, NFV, or Cloud Computing. This Spanish node aims to support the scientific community in experimenting with cutting-edge resources.
Researchers have created a lightweight, portable antenna that can switch between two operating states to communicate with satellites or devices on the ground. The antenna's unique design allows it to be compact and foldable, making it ideal for disaster-struck areas or underdeveloped regions.
Next-generation mobile networks are being optimized for increased data loads and faster speeds using AI-driven techniques. The technology enables instantaneous communications between devices and the environment.
A pioneering study using mobile phone data analysis sheds light on socioeconomic disparities in unhealthy food reliance during COVID-19, particularly among racial minorities and low-income households. The study found that COVID-19 has exacerbated convenience store reliance, especially in Hispanic-majority counties and areas with older ...
A large cross-sectional study of over 2,800 young men in Switzerland found an association between mobile phone use and lower sperm concentration. While no link was discovered to poor sperm motility or morphology, the results suggest that reduced semen quality may be linked to increased mobile phone usage.
The new tool, SnorCall, analyzes unsolicited calls to shed light on robocall trends and types of scams. It extracted information from over 232,000 robocalls, including phone numbers used in scams, helping regulators and law enforcement take action.
A study by University of Maryland security experts found that 61 out of 228 phones contained personal data like social security numbers and credit card information. The researchers accessed these phones using techniques that someone on the street might use, highlighting the ease with which personal data can be accessible.
A new study reveals that mobile phone data can be skewed towards more accessible populations, leading to misleading predictions and ineffective outbreak responses. Researchers urge acknowledging and measuring bias in all types of data to ensure accurate public health decisions.
Researchers found that phone communication significantly impacts social influence, with a cascading effect reaching up to four degrees of separation. The study used mobile phone data to demonstrate how phone communications affect people's decisions to attend cultural events.
Researchers at SMU measured Dallas's resilience using anonymous cell phone data before, during, and after the February 2021 North American winter storm. The study found that Dallas recovered almost immediately after the winter storm ended, indicating a great degree of resilience among its residents.
Research published in European Heart Journal – Digital Health found a 12% increased risk of high blood pressure among mobile phone users who spent 30 minutes or more per week on calls. This association held true even after adjusting for other risk factors, suggesting that the duration of phone conversations may be a crucial factor.
A mobile application utilizing Python and a single-element ultrasound transducer has been developed for photoacoustic tomography (PAT) image reconstruction. The application successfully reconstructs high-quality images with signal-to-noise ratio values above 30 decibels, making it suitable for point-of-care diagnosis in low-resource se...
Researchers found that non-mandatory measures had a greater impact on reducing travel distances and times, while mandatory measures only slightly affected these metrics. In contrast, strict metre rules and reopening of gyms increased distance travelled.
The WVU SMARTER center aims to improve mobility in rural areas through self-driving cars, ride-sharing services, and bike sharing. The center will develop infrastructure and technology barriers to ensure accessibility for all people.
Researchers at UBC Okanagan have developed transmission schemes that incorporate reconfigurable intelligent surfaces to serve as reflectors within existing wireless networks. These surfaces can bounce signals to cell phones, improving accuracy and reliability in location services and data speeds.
A recent study from the University of South Australia found that teenagers with a 'late sleep chronotype' who use technology before bed on weekends are at greater risk of disturbed sleep. This can lead to a serious sleep deficit, negatively impacting their daily tasks and wellbeing.
MIT researchers have developed a receiver chip that targets and blocks unwanted signals without hurting device performance. The chip uses a mixer-first architecture and block digital filtering to remove harmonic interference, enabling it to handle high-power signals effectively.
Researchers seek to reduce medical errors among patients with limited English proficiency by implementing three different translation approaches. The goal is to compare the effectiveness of telephone interpreter-based and in-person interpreter-assisted communication in reducing errors.